Looking for genuine Honda parts for your older small-displacement bike? This is the official Honda piston ring set, part number 13011-KB4-305. It's the real deal, made by Honda to their exact specifications. It fits a bunch of classic models, so check this list: Honda Custom 250 (1982-83), Rebel 250 and Rebel 250 Limited (1985-87), Twinstar 200 (1978-82), XL100S (1979-85), XR100 and XR100R (from 1981 all the way up to 2000). It also replaces several older part numbers: 13011-418-003, 13011-436-000, 13011-KB4-670, and 130A1-KB4-000. Whether you're doing a rebuild to fix an oil-burning issue or just doing a full engine restoration, using OEM Honda rings ensures a perfect fit and reliable performance. They're designed to match the original piston and cylinder specs for optimal sealing and longevity. Keep your vintage Honda running smooth with these factory-correct rings.